how to find value of sin 450
sin56 without using calculator and table
BrainlyYoda:
I know the answer of sin 450 but not of sin 56 Sorry
kkk atleast tellb450
Answers
Answered by
19
sin 450° = sin (360° + 90°) = sin (90°) = 1
as sin (360° + A) = Sin A
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Sin 56° is complicated.. is that supposed to be by any chance, 560° ?
that requires advanced trigonometric equations and rules.
as sin (360° + A) = Sin A
=========
Sin 56° is complicated.. is that supposed to be by any chance, 560° ?
that requires advanced trigonometric equations and rules.
kk
thanks for help
thanks for selecting brainliest answer
i dont know your class but... for Sin (A°) is approximately equal to A*180/3.1416 for A° <= 15° or so....
sorry it is A *3.1416/180...
similarly for cos (A°) = 1 - 0.50 * [ A*3.1416/180]^2 ..
want to know which class is this question from.
i think 11
its from 11 th class
yaa
Answered by
13
by changing rules
sin (360° + A) = Sin (180+A) =Sin A
sin 450° = sin (360° + 90°)
= sin (90°)
= 1
sin (360° + A) = Sin (180+A) =Sin A
sin 450° = sin (360° + 90°)
= sin (90°)
= 1
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